Dust filter for refrigerator



1. Dust filter for refrigerator

1.1 : Perspective

1.2 : Front

1.3 : Back

1.4 : Left

1.5 : Right

1.6 : Top

1.7 : Bottom

1.8 : Reference view showing a state of use

Broken lines illustrate environmental condition only and form no part of the claimed design. 

CLAIM The ornamental design for a dust filter for refrigerator, as shown and described. 